title: [Unknown primary neoplasms with isolated metastases to cervical lymph nodes: current questions].
authors.forename: A E
authors.initials: AE
authors.lastname: Mikhnin
authors.forename: O S
authors.initials: OS
authors.lastname: Frolova
mesh_terms: D001706:Biopsy; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000175:diagnosis; D009333:Neck; D009382:Neoplasms, Unknown Primary / Q000175:diagnosis* / Q000401:mortality / Q000473:pathology / Q000628:therapy; D049268:Positron-Emission Tomography; D014067:Tonsillar Neoplasms / Q000175:diagnosis